EP2343831A3 - Analytical computation of cubic metric - Google Patents

Analytical computation of cubic metric Download PDF

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Publication number
EP2343831A3
EP2343831A3 EP11150610.1A EP11150610A EP2343831A3 EP 2343831 A3 EP2343831 A3 EP 2343831A3 EP 11150610 A EP11150610 A EP 11150610A EP 2343831 A3 EP2343831 A3 EP 2343831A3
Authority
EP
European Patent Office
Prior art keywords
cubic metric
cdma signal
transmission
analytical computation
wireless transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11150610.1A
Other languages
German (de)
French (fr)
Other versions
EP2343831A2 (en
Inventor
Yakir Ovadia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marvell World Trade Ltd
Original Assignee
Marvell World Trade Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marvell World Trade Ltd filed Critical Marvell World Trade Ltd
Publication of EP2343831A2 publication Critical patent/EP2343831A2/en
Publication of EP2343831A3 publication Critical patent/EP2343831A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)

Abstract

A method includes determining attributes of multiple Code-Division Multiple Access (CDMA) signals, which are to be superimposed to form a composite CDMA signal for transmission by a wireless transmitter. A predefined analytical formula, which computes a Cubic Metric of the composite CDMA signal as a function of the attributes, is evaluated. Transmission of the composite CDMA signal by the wireless transmitter is controlled based on the computed Cubic Metric.
EP11150610.1A 2010-01-11 2011-01-11 Analytical computation of cubic metric Withdrawn EP2343831A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29401610P 2010-01-11 2010-01-11
US37146410P 2010-08-06 2010-08-06

Publications (2)

Publication Number Publication Date
EP2343831A2 EP2343831A2 (en) 2011-07-13
EP2343831A3 true EP2343831A3 (en) 2014-04-30

Family

ID=43801544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11150610.1A Withdrawn EP2343831A3 (en) 2010-01-11 2011-01-11 Analytical computation of cubic metric

Country Status (2)

Country Link
US (1) US8582461B2 (en)
EP (1) EP2343831A3 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008130693A2 (en) * 2007-04-20 2008-10-30 Interdigital Technology Corporation Apparatus and method for computing maximum power reduction for a umts signal
WO2009153138A1 (en) * 2008-06-19 2009-12-23 Icera Inc Estimating signal characteristics

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8521204B2 (en) * 2004-09-30 2013-08-27 Motorola Mobility Llc Signal configuration based transmitter adjustment in wireless communication devices
WO2007130011A1 (en) * 2006-04-28 2007-11-15 Mitsubishi Electric Research Laboratories Method and system for processing reference signals in ofdm systems using transmission time interval groupings
US7778347B2 (en) * 2006-08-21 2010-08-17 Freescale Semiconductor, Inc. Power de-rating reduction in a transmitter
EP3026840B1 (en) * 2008-08-11 2020-09-30 LG Electronics, Inc. Method and apparatus for transmitting uplink signals using multi-antenna
US8275331B2 (en) * 2009-04-21 2012-09-25 Qualcomm, Incorporated PA gain state switching based on waveform linearity
US8165642B2 (en) * 2009-05-13 2012-04-24 Apple Inc. Electronic device with data-rate-dependent power amplifier bias
US8493836B2 (en) * 2009-06-26 2013-07-23 Lg Electronics Inc. Method and apparatus for transmitting uplink signals using optimized rank 3 codebook
WO2011041492A2 (en) * 2009-09-30 2011-04-07 Interdigital Patent Holdings, Inc. Method and apparatus for multi-antenna transmission in uplink

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008130693A2 (en) * 2007-04-20 2008-10-30 Interdigital Technology Corporation Apparatus and method for computing maximum power reduction for a umts signal
WO2009153138A1 (en) * 2008-06-19 2009-12-23 Icera Inc Estimating signal characteristics

Also Published As

Publication number Publication date
US20110170441A1 (en) 2011-07-14
US8582461B2 (en) 2013-11-12
EP2343831A2 (en) 2011-07-13

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